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  1. class String
  2.   def onlySpecialChars?
  3.     !!self.match(/\A\W*\z/)
  4.   end
  5. end
  6.  
  7. puts "$@#%^".onlySpecialChars?
  8. puts "w@#%^".onlySpecialChars?
  9.  
Success #stdin #stdout 0.05s 9648KB
comments (?)
stdin
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Standard input is empty
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true
false
https://ideone.com/TJ2jyF
language:
Ruby (ruby 2.5.5)
created:
9 years ago
visibility:
secret

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